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Mirbelia speciosa

Mirbelia speciosa
Photo: Poyt448 Peter Woodard, CC BY-SA 3.0

Mirbelia speciosa is an erect, shrubby native of eastern Australia, grown for its bluish-purple pea-type flowers in July and August. It needs a sunny spot in well-drained soil and dislikes heavy clay and hard frost.

Family
Fabaceae (Pea & bean family)
Grows as
Shrub
Light
Full sun, Part shade
Water
Water moderately while establishing, then let the soil dry between waterings; avoid waterlogging.
Soil
Well-drained, light soil; not heavy clay.
Temperature
Mild to warm, subtropical conditions; protect from excessive frost.
How easy
Moderate
Native range
E. Australia
Climate
subtropical

About

Mirbelia speciosa is a species of flowering plant in the family Fabaceae and is endemic to eastern Australia. It is an erect shrub with narrowly linear leaves arranged in whorls of three, and bluish-purple flowers usually arranged singly in leaf axils.

How to grow it

This species is not recommended for clay soils that are not well drained or sites with excessive frost. A sunny situation is preferred, though it does better with a small amount of shade. Fertilizers may be used, but are only recommended if they have a low pH (higher acid) levels.

This plant strikes easily from tip cuttings. Alternatively, seed propagation is also successful. Seeds may be treated by very hot (but not boiling) water for two minutes. After drying overnight, they should be planted and placed in a sunny situation. Germination usually occurs within two weeks.

Where it grows

This mirbelia grows in heath, woodland and forest north from the Illawarra region in New South Wales to north Queensland.

Text excerpted from the Wikipedia article Mirbelia speciosa by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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